Optics: image projectors – Pointer
Reexamination Certificate
2011-01-04
2011-01-04
Epps, Georgia Y (Department: 2878)
Optics: image projectors
Pointer
C353S030000, C353S069000, C353S070000, C353S119000, C353S122000, C348S180000, C348S181000, C348S183000, C348S211990, C348S211140, C349S005000, C349S007000, C349S012000, C349S016000, C349S058000, C349S061000, C349S062000, C349S063000, C349S064000, C349S065000, C345S156000
Reexamination Certificate
active
07862179
ABSTRACT:
A dual-mode projection apparatus has a projection module for projecting an image onto a projection surface. An image sensor module captures images of the projection surface and determines spatial and temporal characteristics of a visible light spot superimposed on the projection surface. A communications module transmits the spatial and temporal characteristics of the visible light spot to a remote device for remote control of the device based on the spatial and temporal characteristics of the visible light spot.
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Li Jin
Shan Jizhang
Chowdhury Sultan
Epps Georgia Y
Lathrop & Gage LLP
OmniVision Technologies Inc.
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